Patents by Inventor Kentaro Nagai

Kentaro Nagai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20180003093
    Abstract: An oil cooling structure of an engine is provided that is capable of enhancing cooling performance of oil while preventing an increase in number of components or an increase in required space from being involved as much as possible. In an oil cooling structure of an engine in which a transmission case is attached to one end wall of an engine body, and a transmission mechanism for an accessory drive is provided in the transmission case, the transmission case is formed into a potlid-shaped body having a plurality of rib walls along a front-rear direction, and is attached to an engine front wall with an engine cooling fan, and case inner chamber portions partitioned by the rib walls in the transmission case are configured as a transporting passage of oil circulated by an oil pump.
    Type: Application
    Filed: June 9, 2017
    Publication date: January 4, 2018
    Inventors: Hiroki OSO, Hideyuki KOYAMA, Hideyuki GOTO, Takahiro YAMAZAKI, Kentaro NAGAI, Takashi YAMAGUCHI, Rina KANEKO
  • Publication number: 20170350344
    Abstract: A piston for an engine is provided, that makes it possible to improve supply of engine oil to a recessed part thereof. The piston includes a resin coating film and a recessed part on a surface of a skirt part. In the piston, resin coating films are distributed in a patchy fashion on the surface of the skirt part. The recessed part is formed by the surface of the skirt part, between adjacent surfaces of the patchy resin coating films and by the adjacent resin coating films, forming a net-like groove. An outer-edge resin coating film, extending in a piston movement direction, is provided at the ends, in a piston circumferential direction of the skirt part.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 7, 2017
    Inventors: Hiroki OSO, Hideyuki KOYAMA, Takahiro YAMAZAKI, Kentaro NAGAI, Rina KANEKO
  • Patent number: 9837178
    Abstract: An image processing apparatus includes: a measurement data acquiring unit that acquires data obtained by using an imaging apparatus to capture an image formed by an electromagnetic wave transmitted through an object, as measurement data of the object; an image generating unit that generates a first image and a second image that represent information on different physical quantities, from the measurement data; a filter characteristics determining unit that determines, based on the first image, filter characteristics to be set when an anisotropic filter is applied, for each position in the image; and a filtering unit that applies the anisotropic filter to the second image while varying the filter characteristics of the anisotropic filter for each position in the image in accordance with the filter characteristics determined based on the first image.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: December 5, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kentaro Nagai
  • Patent number: 9828933
    Abstract: An engine cooler capable of suppressing a piston slap sound is provided. The engine cooler includes a cylinder block including a cylinder barrel and a water jacket, and a spacer stored in the water jacket, the water jacket surrounds the cylinder barrel, and the spacer encloses the cylinder barrel. Given that a width direction of the cylinder block is a lateral direction, a pressed member is pressed between the cylinder barrel and the spacer on lateral sides of the cylinder barrel, and a lower end of the pressed member is disposed above a lower end of each of right and left skirts of a piston located at a top dead center.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: November 28, 2017
    Assignee: KUBOTA Corporation
    Inventors: Kentaro Nagai, Hideyuki Koyama, Hideyuki Goto, Takahiro Yamazaki, Hiroshi Kuwasaki
  • Patent number: 9797765
    Abstract: A valve fully closing part; a calibrating volume calculation part that calculates a calibrating volume on the basis value of an integration of a flow rate measured value outputted from a flow rate sensor in a fluid parameter changing interval; and a calibration part that calibrates a flow rate on the basis of the calculated calibrating volume and a preset reference volume are provided.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: October 24, 2017
    Assignee: HORIBA STEC, Co., Ltd.
    Inventor: Kentaro Nagai
  • Patent number: 9771854
    Abstract: There is provided an engine water-cooling device that can increase warming-up efficiency of an engine. The engine water-cooling device includes a thermostat housing that houses a thermostat. The thermostat housing is mounted to a front wall of a cylinder head in one side portion in a width direction of the cylinder head. A cooling water pump is mounted to a front wall of a cylinder block in a central portion in a width direction of the cylinder block. A bypass passage includes an intra-head bypass passage in the cylinder head, and the intra-head bypass passage includes a width-direction passage portion extending from a position behind the thermostat housing to a position behind and above the cooling water pump.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: September 26, 2017
    Assignee: KUBOTA Corporation
    Inventors: Naoya Sakurai, Hideyuki Koyama, Hideyuki Goto, Kentaro Nagai, Tadashi Nakano
  • Publication number: 20170210857
    Abstract: There is provided a highly conductive and good silicon thin film which is obtained by applying a coating-type polysilane composition prepared by use of a polysilane having a large weight average molecular weight to a substrate, followed by baking. A polysilane having a weight average molecular weight of 5,000 to 8,000. The polysilane may be a polymer of cyclopentasilane. A silicon film obtained by applying a polysilane composition in which the polysilane is dissolved in a solvent to a substrate, and baking the substrate at 100° C. to 425° C. The cyclopentasilane may be polymerized in the presence of a palladium catalyst supported on a polymer. The palladium catalyst supported on a polymer may be a catalyst in which palladium as a catalyst component is immobilized on a functional polystyrene. The palladium may be a palladium compound or a palladium complex.
    Type: Application
    Filed: June 30, 2015
    Publication date: July 27, 2017
    Inventors: Masahisa ENDO, Gun SON, Yuichi GOTO, Kentaro NAGAI
  • Publication number: 20170203970
    Abstract: There is provided a cyclic silane having high purity, particularly cyclopentasilane having high purity, and a composition containing a polysilane obtained by polymerization of the cyclic silane which a highly conductive and good silicon thin film is formed by applying the composition in a form of a coating-type polysilane composition to a substrate, followed by baking.
    Type: Application
    Filed: July 14, 2015
    Publication date: July 20, 2017
    Inventors: Yuichi GOTO, Kentaro NAGAI, Masahisa ENDO, Gun SON
  • Patent number: 9702831
    Abstract: The present invention relates to an object information obtaining apparatus that obtains information about a phase image of an object using information about an interference pattern produced by a shearing interferometer, the interference pattern being formed by an electromagnetic wave or electron beam passed through or reflected by the object. The apparatus includes a first obtaining unit configured to obtain information about a differential phase image of the object using the information about the interference pattern, a second obtaining unit configured to obtain information about contrast in each region of the interference pattern, a third obtaining unit configured to weight the information about the differential phase image using the information about the contrast to obtain information about a weighted differential phase image, and a fourth obtaining unit configured to integrate the information about the weighted differential phase image to obtain the information about the phase image of the object.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: July 11, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kentaro Nagai
  • Patent number: 9608355
    Abstract: A connector includes a terminal, a housing body haying a terminal housing chamber inside which the terminal is housed, an opening portion formed at an outer peripheral surface of the housing body, a retainer having a locking protrusion that protrudes into the terminal housing chamber to lock the terminal housed in the terminal housing chamber when the retainer is fitted to the opening portion, and a hinge that connects the retainer to the housing body so as to allow the retainer to turn between an open position at which the opening portion is opened and a closed position at which the retainer is fitted to the opening portion to close the opening portion. When the retainer is in the closed position, an outer surface of the retainer is flush with the outer peripheral surface of the housing body.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: March 28, 2017
    Assignee: YAZAKI CORPORATION
    Inventors: Kentaro Nagai, Yoshimi Wada, Naokazu Nagasaka, Dacheng Jin
  • Publication number: 20170040728
    Abstract: A leaf spring portion turning back at a bottom wall (first side wall portion) and coming into contact with a male terminal of a connector on the other side to press the male terminal to a ceiling wall (second side wall portion) is formed in a tubular-shaped main terminal body portion in a terminal, the main terminal body portion is formed when a metal plate is bent in a tubular shape such that a pair of end edges approaches each other to form the ceiling wall (second side wall portion), and depressed portions bending toward an inside of the main terminal body portion and extending in a longitudinal direction of the main terminal body portion are provided in a pair of respective wall portions forming the ceiling wall (second side wall portion).
    Type: Application
    Filed: August 3, 2016
    Publication date: February 9, 2017
    Inventors: Atsuhito Saito, Kentaro Nagai, Akira Shinchi
  • Publication number: 20170023683
    Abstract: An image processing apparatus includes: a measurement data acquiring unit that acquires data obtained by using an imaging apparatus to capture an image formed by an electromagnetic wave transmitted through an object, as measurement data of the object; an image generating unit that generates a first image and a second image that represent information on different physical quantities, from the measurement data; a filter characteristics determining unit that determines, based on the first image, filter characteristics to be set when an anisotropic filter is applied, for each position in the image; and a filtering unit that applies the anisotropic filter to the second image while varying the filter characteristics of the anisotropic filter for each position in the image in accordance with the filter characteristics determined based on the first image.
    Type: Application
    Filed: July 1, 2016
    Publication date: January 26, 2017
    Inventor: Kentaro Nagai
  • Publication number: 20160363017
    Abstract: There is provided an engine capable of reducing oil consumption. The engine includes a cylinder head, a cylinder head cover mounted above the cylinder head, a rocker arm covered by the cylinder head cover, and a breather chamber provided inside the cylinder head cover. As a front-rear direction is defined by a longitudinal direction of the cylinder head cover, the breather chamber has a blow-by gas inlet at one side in the front-rear direction, a blow-by gas outlet at another side in the front-rear direction, and an oil discharging guide chamber at an intermediate part in the front-rear direction. The blow-by gas inlet is opened on a bottom wall of the breather chamber, and a peripheral wall of the oil discharging guide chamber is protruded downwardly from the bottom wall of the breather chamber toward between the rocker arm provided at a side of the blow-by gas outlet and the blow-by gas inlet.
    Type: Application
    Filed: June 9, 2016
    Publication date: December 15, 2016
    Inventors: Kentaro NAGAI, Takahiro YAMAZAKI, Takahito HAMASAKI, Hideyuki GOTO, Hiroki OSO, Hideyuki KOYAMA, Akira TANAKA, Yoshinori TANAKA
  • Publication number: 20160352035
    Abstract: A connector includes a terminal, a housing body haying a terminal housing chamber inside which the terminal is housed, an opening portion formed at an outer peripheral surface of the housing body, a retainer having a locking protrusion that protrudes into the terminal housing chamber to lock the terminal housed in the terminal housing chamber when the retainer is fitted to the opening portion, and a hinge that connects the retainer to the housing body so as to allow the retainer to turn between an open position at which the opening portion is opened and a closed position at which the retainer is fitted to the opening portion to close the opening portion. When the retainer is in the closed position, an outer surface of the retainer is flush with the outer peripheral surface of the housing body.
    Type: Application
    Filed: May 23, 2016
    Publication date: December 1, 2016
    Inventors: Kentaro Nagai, Yoshimi Wada, Naokazu Nagasaka, Dacheng Jin
  • Publication number: 20160281555
    Abstract: There is provided an engine lubricating device with which passage resistance of an oil strainer can be reduced and a support stay for an oil filter is unnecessary. An oil strainer includes an outer cylinder and an inner cylinder, the outer cylinder and the inner cylinder respectively have straight central axes and form inner and outer double cylinders, the outer cylinder has a strainer inlet at a lower end, the inner cylinder has a peripheral wall formed as a filter portion, the oil strainer is led out in an orientation inclined downward from the cylinder block toward an inner bottom portion of an oil pan, an upper end portion of the outer cylinder is fixed to a cylinder block, and an upper end opening portion of the inner cylinder communicates with an oil passage inlet of the cylinder block.
    Type: Application
    Filed: December 4, 2015
    Publication date: September 29, 2016
    Inventors: Kentaro NAGAI, Hideyuki GOTO, Takahiro YAMAZAKI, Hiroki OSO
  • Publication number: 20160264520
    Abstract: To provide a novel diamine, and a polyimide precursor and a polyimide using it. A diamine represented by the formula (1): wherein each of X1 and X5 which are independent of each other, is a single bond or the like; each of X2 and X4 which are independent of each other, is —CH2— or the like; X3 is a C1-6 alkylene or the like; each of Y1 and Y2 which are independent of each other, is a single bond or the like; R is a C1-20 linear, branched or cyclic hydrocarbon group; and a is 0 or 1).
    Type: Application
    Filed: October 22, 2014
    Publication date: September 15, 2016
    Applicant: NISSAN CHEMICAL INDUSTRIES. LTD.
    Inventors: Masato NAGAO, Mitsumasa KONDO, Kentaro NAGAI
  • Publication number: 20160162755
    Abstract: An image processing apparatus configured to acquire an image having phase information of an electromagnetic wave from a cyclic pattern image generated by interference of the electromagnetic wave, comprises an acquisition unit configured to acquire a pattern image; a first conversion unit configured to convert the pattern image into a spectrum in a wave number space; a filter unit configured to apply to the spectrum a filter that cuts off components included in a predetermined cut-off region; and a second conversion unit configured to convert the filtered spectrum, in which the components included in the predetermined cut-off region are cut off, into an image having phase information, wherein the cut-off region is a region that includes at least a part of a first axis, which is an axis passing through a center point of the spectrum.
    Type: Application
    Filed: November 25, 2015
    Publication date: June 9, 2016
    Inventor: Kentaro Nagai
  • Publication number: 20160102595
    Abstract: There is provided a cylinder head cooling apparatus of an engine capable of enhancing cooling efficiency around an auxiliary combustion chamber wall. The cylinder head cooling apparatus of an engine including a cylinder head having therein an intake port, an exhaust port, an auxiliary combustion chamber, and a cooling water jacket, in which an intake port wall, an exhaust port wall, and an auxiliary combustion chamber wall are placed in the cooling water jacket, the cooling water jacket includes a cooling water inlet and a cooling water outlet, engine cooling water flowed from the cooling water inlet into the cooling water jacket flows out from the cooling water outlet through the cooling water jacket, wherein a cooling water guide wall is provided upstream of the auxiliary combustion chamber wall in a cooling water passing path of the cooling water jacket, and the upstream cooling water guide wall is formed into a shape whose width gradually widens toward a downstream side.
    Type: Application
    Filed: September 2, 2015
    Publication date: April 14, 2016
    Inventors: Kentaro NAGAI, Hiroshi KUWASAKI, Tadashi NAKANO, Takahito HAMASAKI, Yoshinori TANAKA, Masaya MORI
  • Publication number: 20160090895
    Abstract: There is provided an engine water-cooling device that can increase warming-up efficiency of an engine. The engine water-cooling device includes a thermostat housing that houses a thermostat. The thermostat housing is mounted to a front wall of a cylinder head in one side portion in a width direction of the cylinder head. A cooling water pump is mounted to a front wall of a cylinder block in a central portion in a width direction of the cylinder block. A bypass passage includes an intra-head bypass passage in the cylinder head, and the intra-head bypass passage includes a width-direction passage portion extending from a position behind the thermostat housing to a position behind and above the cooling water pump.
    Type: Application
    Filed: September 1, 2015
    Publication date: March 31, 2016
    Inventors: Naoya SAKURAI, Hideyuki KOYAMA, Hideyuki GOTO, Kentaro NAGAI, Tadashi NAKANO
  • Publication number: 20150362444
    Abstract: A phase information acquisition apparatus that acquires phase information from differential phase information on an object, includes: a differential phase acquisition unit that acquires differential phase information with respect to a plurality of directions; a weight setting unit that individually sets weights for the differential phase information of the respective directions; and a phase acquisition unit that determines phase information, using an equation that includes a weighted combination of the differential phase information of the respective directions with the weights of the respective directions set by the weight setting unit.
    Type: Application
    Filed: June 5, 2015
    Publication date: December 17, 2015
    Inventor: Kentaro Nagai